var fDesc=new Array(); fDesc[0] = "This is a product which can be found most useful by scientists, engineers, professors, and students. The calculator was designed with purpose to fit Netbooks and Notebooks with small display. Of course, the calculator can be used on laptop and desktop computers as well.

In the default mixed mode the calculator treats numbers as integers wherever it is possible. For example, 38! have an integer result with 45 digits.

There are 10 variables (or constants) available for storing frequently used numbers.

All calculation results are reflected in History rich-text-box, which can be saved in file or printed.

Quick Start page is available in Help tab."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }